#! /usr/bin/env python 
#-*- coding: utf-8 -*-
# Classe permettant l'affichage d'une icone dans la barre des taches
# avec menu
# avec choix de l'icone ou choix d'une grandeur à monitorer

import wx
import string
class Menu_item:
    def __init__(self, name, action, type_item="entry"):
        self.name=name
        self.action=action
        self.type_item=type_item
        self.icon=None


class Tray(wx.TaskBarIcon):
    """ Classe pour l'affichage de l'icone et des menus 
    dans la barre des taches. """

    #Entrées du menu
    TBMENU_SET_POWERSAVE = wx.NewId()
    TBMENU_SET_ONDEMAND = wx.NewId()
    TBMENU_PARAM = wx.NewId()
    TBMENU_CLOSE = wx.NewId()
    TBMENU_CREATE = []


    def __init__(self, app):
        wx.TaskBarIcon.__init__(self)
        self.app = app
        self.menu_tmp = {}
        #liaisons Boutons-Méthodes (actions en dur)
        self.Bind(wx.EVT_TASKBAR_LEFT_DOWN, self.OnTaskBarActivate)

    def MenuAddItem(self, nom, action):
        """ Add an item to the menu and link it to corresponding method """
        self.menu_tmp[nom]=wx.NewId()
        self.Bind(wx.EVT_MENU, action, id=self.menu_tmp[nom])

    def CreatePopupMenu(self):
        """ Method called when we need to display the menu """
        menu = wx.Menu()
        for nom,action in self.menu_tmp.items():
            menu.Append(action, nom)
        menu.AppendSeparator()
        return menu

    def ChangeIcon(self, imgpath):
        """ Change taskbar icon """
        img = wx.Image(imgpath,wx.BITMAP_TYPE_PNG)
        bmp = img.ConvertToBitmap()
#        bmp.SetMask(wx.Mask(bmp, wx.Colour().Alpha()))
        icon = wx.IconFromBitmap(img.ConvertToBitmap())
        icon = wx.EmptyIcon()
        icon.CopyFromBitmap(bmp)
        self.SetIcon(icon, "pycpufreq")

    def IconMonitor(self, l=2, r=4):
	l_off=[128,0,0] # couleurs
	l_on=[255,0,0]
	r_off=[0,128,0]
	r_on=[0,255,0]
	
	s_line = "\xff\xff\xff"+"\0"*45
	s_border = "\xff\xff\xff\0\0\0"
	s_point = "\0"*3
	sl_off = string.join(map(chr,l_off),'')*6
	sl_on = string.join(map(chr,l_on),'')*6
	sr_off = string.join(map(chr,r_off),'')*6
	sr_on = string.join(map(chr,r_on),'')*6
	
        s=""+s_line
        for i in range(5):
            if i<(5-l):
                sl = sl_off
            else:
                sl = sl_on

            if i<(5-r):
                sr = sr_off
            else:
                sr = sr_on

            s+=s_border+sl+s_point+sr+s_point
            s+=s_border+sl+s_point+sr+s_point
            s+=s_line

        image = wx.EmptyImage(16,16)
        image.SetData(s)

        bmp = image.ConvertToBitmap()
        bmp.SetMask(wx.Mask(bmp, wx.WHITE)) #sets the transparency colour to white 

        icon = wx.EmptyIcon()
        icon.CopyFromBitmap(bmp)
        self.SetIcon(icon, "")